/*****************************************************************************
 * Copyright 2011 Zdenko Vrabel
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 *****************************************************************************/
package org.zdevra.guice.mvc.parameters;

import java.lang.annotation.Annotation;
import java.lang.reflect.Method;

import org.zdevra.guice.mvc.ConversionService;
import org.zdevra.guice.mvc.Utils;

/**
 * The class is immutable collection of all method's parameter metadata like annotations,
 * type, parameter builder, etc.
 * 
 * This metadata object is consumed by the parameter processor factory and the 
 * factory constructs parameter processor from metadata.
 * 
 */
public class ParamMetadata {
/*---------------------------- m. variables ----------------------------*/

	private final Method method;
	private final Class<?> type;
	private final Annotation[] annotations;
	private final ConversionService conversionService;

/*---------------------------- constructors ----------------------------*/
	
	public ParamMetadata(Class<?> type, Annotation[] annotations, ConversionService conversionService, Method method) 
	{
		super();
		this.type = type;
		this.annotations = annotations;
		this.conversionService = conversionService;
		this.method = method;
	}
	
/*-------------------------- getters/setters ---------------------------*/

	public Class<?> getType() {
		return type;
	}

	public Annotation[] getAnnotations() {
		return annotations;
	}
	
	
	public <T extends Annotation> T getAnnotation(Class<T> annotationClazz) {
		return Utils.getAnnotation(annotationClazz, this.annotations);
	}
	
	
	public ConversionService getConversionService() {
		return conversionService;
	}

	public Method getMethod() {
		return method;
	}	

/*----------------------------------------------------------------------*/
}
